会议将在九点整开始。
The meeting will start at 9:00 ___on ___the ___dot.
请于中午十二点整准备好出发。
Please be ready to depart at noon ___on ___the ___dot.
她的闹钟每天早晨5:30整准时响起。
Her alarm goes off at 5:30 ___on ___the ___dot every morning.